mamontrevintage
Longines Ultra-Chron Crosshair 6651 with box
Product details
Description
Magnificent Longines Ultra-Chron
Manufacture automatic Calibre 6651
Full stainless steel case, 37 mm excluding crown
Signed crown
Original signed bracelet
Longines box
Remarkable condition
Model that inspired the recent reissues
Beautiful grey/blue dial
Dated 1974
A note on the brand's history: Longines
Founded in Saint-Imier in 1832, Longines is renowned for precision timekeeping and instruments for explorers. Its Ultra-Chron of 1967 used a high-frequency movement beating at 36,000 vibrations per hour.
Brand history — Longines
Founded in Saint-Imier in 1832, Longines became known for its commitment to precision and instruments for explorers. Its winged-hourglass emblem is one of watchmaking's oldest signatures. An interesting detail: the 1967 Ultra-Chron operated at 36,000 vibrations per hour, an ambitious approach intended to improve the consistency of mechanical movements of the period.
